4results about How to "Solve lightweight" patented technology

The invention provides a load cabin structure of a hypersonic aircraft and a production process, and relates to the technical field of carrier rockets, the structure comprises a load cabin shell, the load cabin shell is of a lattice structure, and the load cabin shell comprises a bottom plate and reinforcing ribs; the reinforcing ribs are located on the outer ring of the bottom plate, and a pouring cavity is formed between the reinforcing ribs and the bottom plate. The end face of the gel layer is as high as the end faces of the reinforcing ribs, so that a first circumferential surface is formed; the fiber mixing layer wraps the first circumferential surface to form a second circumferential surface; the section of the cabin section connecting ring is in a T shape, and the cabin section connecting ring is clamped to the two ends of the bottom plate. The section of the ceramic fiber belt is in an L shape, and the ceramic fiber belt is installed between the bottom plate and the cabin section connecting ring. By adopting the load cabin shell of the lattice structure, the problem of light weight can be effectively solved, and the strength of the load cabin is effectively ensured through the arrangement of the reinforcing ribs and the fiber mixing layer; and meanwhile, the end part and the outer ring of the load cabin are respectively provided with a ceramic fiber belt and a gel layer, so that the heat-proof capability of the load cabin can be effectively improved.

The application belongs to the technical field of three-dimensional weaving based on RTM process, and particularly relates to a folding strut lower strut design method based on carbon fiber three-dimensional weaving technology. The method comprises the following steps: determining the design requirements of the folding strut lower strut of the carbon fiber three-dimensional weaving technology, designing a folding strut lower strut scheme according to the design requirements; taking the outer curved surface of the folding strut lower strut as a reference, constructing a folding strut lower strut finite element model according to the folding strut lower strut scheme, and obtaining the lower strut load and constraint according to the folding strut mechanism form; performing structure regularization on the folding strut lower strut finite element model; performing three-dimensional weaving design according to the folding strut lower strut finite element model to obtain a preformed carbon fiber three-dimensional woven lower strut; integrally forming the preformed carbon fiber three-dimensional woven lower strut through the RTM process to obtain a carbon fiber three-dimensional woven lower strut product; and checking the carbon fiber three-dimensional woven lower strut product according to the lower strut load and constraint.

The application discloses a kind of suitable for ultra-high voltage GIS electric field distortion measurement defect perception methods, comprising: obtaining electric field distortion array measurement data;According to electric field distortion array measurement data, based on physical constraint condition, generate data enhancement for adversarial network, construct high-density sample library;Design the recognition network based on space-time feature decoupling and attention fusion, realize defect type, location and property matching;Introduce parameter shaping quantization strategy, and the recognition network trained based on high-density sample library is lightened and reformed;Realize the real-time detection and partial discharge early warning of GIS internal fixed / suspended particles based on the recognition network after lightening.This application significantly improves model inference speed and deployment efficiency through parameter shaping quantization, and is suitable for intelligent operation and maintenance of ultra-high voltage GIS equipment.

The application discloses a mass spectrum image reconstruction method and device, equipment and a storage medium. The mass spectrum image reconstruction method is realized based on a multi-scale fusion reconstruction model, comprising: extracting multi-scale spatial features of mass spectrum imaging data through an encoder, and performing feature fusion through a cross-scale multi-head self-attention module; performing up-sampling on the fused features through a decoder to obtain a high-resolution feature map and a high-resolution mass spectrum imaging reconstruction image, and extracting a mass-to-charge ratio ion intensity joint feature vector of each pixel point; performing low-abundance substance feature enhancement on the feature vector, and performing clustering on the enhanced feature vector by using a density peak value clustering algorithm; calculating the relative content of each target substance and performing spatial distribution positioning analysis, and outputting the high-resolution mass spectrum imaging reconstruction image and the substance distribution analysis result. In the foregoing manner, the application avoids error accumulation caused by separation of the reconstruction and analysis links, and realizes high-precision and fully-automatic mass spectrum imaging integrated processing.